Скачать или смотреть The History of Scales: Personal Property Vs. Real Property

http://www.vbssys.com | The History of Scales: Personal Property Vs. Real Property. As scales evolved from the primitive days of the hanging balance scales, the need for a more permanent device increased, which consequently made the devices heavier.

With the advent of the load cell, the need for balances, beams, levers, steelyard rods, etc. became obsolete. Scales within the last 20-40 years have become more compact, lighter weight, much more portable, and have been given the ability to be traded or sold as they have become a compact unit rather than a fixed structure.

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